News An aerial picture of the Grand Canyon in Arizona from around 30,000 feet (10,000m)

It was thought that the global landmark was perhaps 70million years old

Strong earthquake hits Mexico

A 6.7-magnitude earthquake struck Mexico's western Guerrero state today, shaking buildings and causing panic just over 100 miles away in the nation's capital.

Deforestation: Cutting down trees on steep slopes increases the risk of landslides, which are induced by extreme rain

Why the Haiti earthquake may not have been a natural disaster

Deforestation and extreme weather may later cause earthquakes, scientists believe.

Mexico volcano erupts

Water, ash and rocks are flowing down the flanks of the Popocatepetl volcano southeast of Mexico City.

Trail of the unexpected: Northern Ireland

A new kayaking trail presents a different view of Ulster's dramatic shores.

Eight years and 34 million miles on, Mars rover nears end of road

It travelled at an average speed of 60cm an hour and it has arrived a year late. But the Mars rover Opportunity is finally approaching its destination, the rim of the vast Endeavour crater.

Streak marks on surface of Mars may be a sign of flowing water

Streams of salty water could be coursing their way down the steep sides of craters on Mars, scientists believe after identifying a series of dark lines in photographs.

Earthquake strikes off Indonesia coast

A magnitude 5.2 earthquake struck off the Indonesian coast of western Sumatra today, the United States Geological Survey said, but no tsunami warning was issued.

Terrifying, beautiful and deadly

Indonesia's mount Lokon spewed hot lava and volcanic ash 1,500 metres into the sky in the north of Sulawesi island yesterday, prompting panicked residents to flee the area.

Earthquake in English Channel

An earthquake with a magnitude of 3.9 struck in the middle of the English Channel yesterday, the British Geological Survey said.

What lies within: Why we are fascinated by caves

They inspire artists, hold ancient secrets and, in the popular imagination, they're the refuge of bandits and terrorists. Caves remain unmapped in our know-everything age.

There Will Be Bucks in the town that struck black gold

In recession-hit America, one small corner of North Dakota has never had it so good. David Usborne reports from Williston

Small earthquake in Blackpool, major shock for UK's energy policy

Controversial shale gas drilling halted pending investigation into possible connection with tremors

Iceland volcano eruption spits plume 10 miles high

A volcano in Iceland spat a plume of white smoke almost 10 miles into the air as it erupted last night.

Steve Connor: The nuclear industry must learn its lesson and stop building these white elephants

When the troubled Sellafield Mox Plant was built in the 1990s it had to wait several years before it was given an operating licence. The principal justification for awarding the licence in 2001 was the belief that it would supply hundreds of tonnes of mixed oxide (Mox) fuel to Japanese reactors and so provide a cash benefit for UK plc.

Tourists warned as Hawaiian volcano erupts

Scientists are closely monitoring heightened activity at Kilauea Volcano in Hawaii, after a fissure sent lava spewing 20m (65ft) in the air. No homes were threatened and no one was injured, but park rangers cautioned visitors to keep their distance from the volcano.

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Fans take a selfie with Ed Miliband in Kempston, near Bedford, on Tuesday
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Independent Travel
Pompeii, Capri & the Bay of Naples
Seven Cities of Italy
Burgundy, the River Rhone & Provence
Prague, Budapest and Vienna
Lake Garda
Minoan Crete and Santorini
Prices correct as of 1 May 2015
General Election 2015: Ed Miliband's unlikely journey from hapless geek to heart-throb

Miliband's unlikely journey from hapless geek to heart-throb

He was meant to be Labour's biggest handicap - but has become almost an asset
General Election 2015: A guide to the smaller parties, from the the National Health Action Party to the Church of the Militant Elvis Party

On the margins

From Militant Elvis to Women's Equality: a guide to the underdogs standing in the election
Amr Darrag: Ex-Muslim Brotherhood minister in exile still believes Egypt's military regime can be replaced with 'moderate' Islamic rule

'This is the battle of young Egypt for the future of our country'

Ex-Muslim Brotherhood minister Amr Darrag still believes the opposition can rid Egypt of its military regime and replace it with 'moderate' Islamic rule, he tells Robert Fisk
Why patients must rely less on doctors: Improving our own health is the 'blockbuster drug of the century'

Why patients must rely less on doctors

Improving our own health is the 'blockbuster drug of the century'
Sarah Lucas is the perfect artist to represent Britain at the Venice Biennale

Flesh in Venice

Sarah Lucas has filled the British pavilion at the Venice Biennale with slinky cats and casts of her female friends' private parts. It makes you proud to be a woman, says Karen Wright
11 best anti-ageing day creams

11 best anti-ageing day creams

Slow down the ageing process with one of these high-performance, hardworking anti-agers
Juventus 2 Real Madrid 1: Five things we learnt, including Iker Casillas is past it and Carlos Tevez remains effective

Juventus vs Real Madrid

Five things we learnt from the Italian's Champions League first leg win over the Spanish giants
Ashes 2015: Test series looks a lost cause for England... whoever takes over as ECB director of cricket

Ashes series looks a lost cause for England...

Whoever takes over as ECB director of cricket, says Stephen Brenkley
Fishing for votes with Nigel Farage: The Ukip leader shows how he can work an audience as he casts his line to the disaffected of Grimsby

Fishing is on Nigel Farage's mind

Ukip leader casts a line to the disaffected
Who is bombing whom in the Middle East? It's amazing they don't all hit each other

Who is bombing whom in the Middle East?

Robert Fisk untangles the countries and factions
China's influence on fashion: At the top of the game both creatively and commercially

China's influence on fashion

At the top of the game both creatively and commercially
Lord O’Donnell: Former cabinet secretary on the election and life away from the levers of power

The man known as GOD has a reputation for getting the job done

Lord O'Donnell's three principles of rule
Rainbow shades: It's all bright on the night

Rainbow shades

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'It was first time I had ever tasted chocolate. I kept a piece, and when Amsterdam was liberated, I gave it to the first Allied soldier I saw'

Bread from heaven

Dutch survivors thank RAF for World War II drop that saved millions
Britain will be 'run for the wealthy and powerful' if Tories retain power - Labour

How 'the Axe' helped Labour

UK will be 'run for the wealthy and powerful' if Tories retain power